RISD Museum, 224 Benefit St., Providence. (401) 454-6500. risdmuseum.org. Through 12/3: “Altered States: Etching in Late 19th-Century Paris.” Through 1/7/18: “Lines of Thought: Drawings from Michelangelo to Now from the British Museum.” Open Tues.-Sun., 10 a.m.-5 p.m.; third Thursdays, 10 a.m.-9 p.m. $15, $12 seniors, $8 college students, free museum members, children and youth under 18, staff, faculty and students of RISD or member institutions. Free admission every Sunday, 10 a.m–5 p.m. & on third Thursday 5-9 p.m. of each month.